Following the procedure G-d prescribed (Numbers 8:5-22), Moses inducted the Levites into Tabernacle service. The induction ceremony included sprinkling them with the ashes of the Red Heifer which was prepared the day beforehand.

Link: The Levites

In today's "Nasi" reading (see "Nasi of the Day" in Nissan 1), we read of the gift bought by the nasi of the tribe of Zebulun, Eliav ben Cheilon, for the inauguration of the Mishkan.

Text of today's Nasi in Hebrew and English.